Stacker compiled a list of the best private K-12 schools in the Houston metro area using data from the Niche. Niche uses five weighted factors for its rankings: top colleges score, college enrollment, culture & diversity grade, parent / student surveys, and student teacher ratio. You can read more about the methodology here.

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#25. Katy Christian Academy

- Location: Katy, TX
- Enrollment: 101 (13:1 student to teacher ratio)
- Niche grade: A

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#24. Esprit International School

- Location: The Woodlands, TX
- Enrollment: 158 (12:1 student to teacher ratio)
- Niche grade: A

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#23. First Baptist Christian Academy

- Location: Pasadena, TX
- Enrollment: 550 (13:1 student to teacher ratio)
- Niche grade: A

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#22. Cypress Christian School

- Location: Cypress, TX
- Enrollment: 815 (8:1 student to teacher ratio)
- Niche grade: A

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#21. Iman Academy - Southwest Campus

- Location: Houston, TX
- Enrollment: 395 (4:1 student to teacher ratio)
- Niche grade: A

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#20. The Post Oak School

- Location: Bellaire, TX
- Enrollment: 466 (10:1 student to teacher ratio)
- Niche grade: A+

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#19. Robert M. Beren Academy

- Location: Houston, TX
- Enrollment: 311 (6:1 student to teacher ratio)
- Niche grade: A+

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#18. The Covenant Preparatory School

- Location: Kingwood, TX
- Enrollment: 362 (8:1 student to teacher ratio)
- Niche grade: A+

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#17. Darul Arqam Academy North

- Location: Houston, TX
- Enrollment: 301 (10:1 student to teacher ratio)
- Niche grade: A+

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#16. Providence Classical School

- Location: Spring, TX
- Enrollment: 413 (6:1 student to teacher ratio)
- Niche grade: A+

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#15. The Woodlands Christian Academy

- Location: The Woodlands, TX
- Enrollment: 878 (10:1 student to teacher ratio)
- Niche grade: A+

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#14. Westbury Christian School

- Location: Houston, TX
- Enrollment: 327 (9:1 student to teacher ratio)
- Niche grade: A+

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#13. School of the Woods

- Location: Houston, TX
- Enrollment: 288 (7:1 student to teacher ratio)
- Niche grade: A+

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#12. Second Baptist School - Woodway

- Location: Houston, TX
- Enrollment: 1,204 (10:1 student to teacher ratio)
- Niche grade: A+

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#11. Duchesne Academy of the Sacred Heart

- Location: Houston, TX
- Enrollment: 790 (8:1 student to teacher ratio)
- Niche grade: A+

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#10. LIH - Lycée International de Houston

- Location: Houston, TX
- Enrollment: 380 (8:1 student to teacher ratio)
- Niche grade: A+

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#9. Fort Bend Christian Academy

- Location: Sugar Land, TX
- Enrollment: 844 (8:1 student to teacher ratio)
- Niche grade: A+

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#8. Houston Quran Academy

- Location: Houston, TX
- Enrollment: 342 (8:1 student to teacher ratio)
- Niche grade: A+

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#7. Saint Thomas' Episcopal School

- Location: Houston, TX
- Enrollment: 635 (7:1 student to teacher ratio)
- Niche grade: A+

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#6. British International School of Houston

- Location: Katy, TX
- Enrollment: 1,200 (6:1 student to teacher ratio)
- Niche grade: A+

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#5. The Kinkaid School

- Location: Houston, TX
- Enrollment: 1,469 (10:1 student to teacher ratio)
- Niche grade: A+

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#4. The Awty International School

- Location: Houston, TX
- Enrollment: 1,803 (9:1 student to teacher ratio)
- Niche grade: A+

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#3. The John Cooper School

- Location: The Woodlands, TX
- Enrollment: 1,343 (6:1 student to teacher ratio)
- Niche grade: A+

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#2. The Village School

- Location: Houston, TX
- Enrollment: 1,882 (7:1 student to teacher ratio)
- Niche grade: A+

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#1. St. John's School

- Location: Houston, TX
- Enrollment: 1,424 (6:1 student to teacher ratio)
- Niche grade: A+